import L from 'leaflet';
import 'proj4/projs';
import 'proj4leaflet/src/proj4leaflet';

(L.CRS as any).Baidu = new (L as any).Proj.CRS('EPSG:900913', '+proj=merc +a=6378206 +b=6356584.314245179 +lat_ts=0.0 +lon_0=0.0 +x_0=0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext  +no_defs', {
    resolutions: function () {
        let level: number = 19;
        const res: any = [];
        res[0] = Math.pow(2, 18);
        for (let i = 1; i < level; i++) {
            res[i] = Math.pow(2, (18 - i));
        }
        return res;
    }(),
    origin: [0, 0],
    bounds: L.bounds([20037508.342789244, 0], [0, 20037508.342789244])
});

(L.tileLayer as any).baidu = function (option: any) {
    option = option || {};

    let layer: any;
    let subdomains = '0123456789';
    const time = new Date().getTime();
    switch (option.layer) {
    //单图层
    case "vec":
    default:
        // @ts-ignore
        layer = L.tileLayer('http://online{s}.map.bdimg.com/onlinelabel/?qt=tile&x={x}&y={y}&z={z}&styles=' + (option.bigfont ? 'ph' : 'pl') + '&scaler=1&p=1', { name: option.name, subdomains: subdomains, tms: true });
        break;
    case "img_d":
        // @ts-ignore
        layer = L.tileLayer('http://shangetu{s}.map.bdimg.com/it/u=x={x};y={y};z={z};v=009;type=sate&fm=46', { name: option.name, subdomains: subdomains, tms: true });
        break;
    case "img_z":
        // @ts-ignore
        layer = L.tileLayer('http://online{s}.map.bdimg.com/tile/?qt=tile&x={x}&y={y}&z={z}&styles=' + (option.bigfont ? 'sh' : 'sl') + '&v=020', { name: option.name, subdomains: subdomains, tms: true });
        break;

    case "custom"://Custom 各种自定义样式
        //可选值：dark,midnight,grayscale,hardedge,light,redalert,googlelite,grassgreen,pink,darkgreen,bluish
        option.customid = option.customid || 'midnight';
        // @ts-ignore
        layer = L.tileLayer('http://api{s}.map.bdimg.com/customimage/tile?&x={x}&y={y}&z={z}&scale=1&customid=' + option.customid, { name: option.name, subdomains: "012", tms: true });
        break;

    case "time"://实时路况
        // @ts-ignore
        layer = L.tileLayer('http://its.map.baidu.com:8002/traffic/TrafficTileService?x={x}&y={y}&level={z}&time=' + time + '&label=web2D&v=017', { name: option.name, subdomains: subdomains, tms: true });
        break;

        //合并
    case "img":
        layer = L.layerGroup([
            (L.tileLayer as any).baidu({ name: "底图", layer: 'img_d', bigfont: option.bigfont }),
            (L.tileLayer as any).baidu({ name: "注记", layer: 'img_z', bigfont: option.bigfont })
        ]);
        break;
    }
    return layer;
};
